Pin-based lamp



FIG. 1 is a front plan view of a first embodiment of the new design, the opposite rear view being the same;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof; and

FIG. 4 is a side plan view thereof, the opposite side view being the same.

FIG. 5 is a front plan view of a second embodiment of the new design, the opposite rear view being the same;

FIG. 6 is a top plan view of the second embodiment;

FIG. 7 is a bottom plan view of the second embodiment; and,

FIG. 8 is a side plan view of the second embodiment, the opposite side view being the same.

The broken line disclosure is for environmental purposes only and does not form a part of the claimed design. 

The ornamental design for a pin-base lamp, as shown and described. 